CVE-2020-6811

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as Curl' feature and pasted the command into a terminal, it could have resulted in command injection and arbitrary command execution. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

• CWE-77

• https://bugzilla.mozilla.org/show_bug.cgi?id=1607742Exploit, Issue Tracking, Vendor Advisory
• https://usn.ubuntu.com/4328-1/Third Party Advisory
• https://usn.ubuntu.com/4335-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-08/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-09/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-10/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1607742Exploit, Issue Tracking, Vendor Advisory
• https://usn.ubuntu.com/4328-1/Third Party Advisory
• https://usn.ubuntu.com/4335-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-08/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-09/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-10/Vendor Advisory

Published

Mar 25, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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